Home / 27,631.98-38,154.63-22,528.32

Finding the Fourth Proportional to 27,631.98, 38,154.63 and 22,528.32

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Solution

The fourth proportional to 27,631.98, 38,154.63 and 22,528.32 is: 31,107.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631.98 : 38,154.63 = 22,528.32 : x
  2. Step 2: Convert to fraction form
    27,631.98/38,154.63 = 22,528.32/x
  3. Step 3: Cross multiply
    27,631.98x = 38,154.63 × 22,528.32
  4. Step 4: Simplify right side
    27,631.98x = 859,559,714.12
  5. Step 5: Solve for x
    x = 859,559,714.12/27,631.98
  6. Step 6: Final answer
    x = 31,107.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.